Feeding of an alloy in the mould is considered to be difficult if cent – McqOptions

MCQOPTIONS

1.	Feeding of an alloy in the mould is considered to be difficult if centre-line feeding resistance (CFR) is_____
A.	greater than 70%
B.	less than 70%
C.	less than 20%
D.	0%
Answer» B. less than 70%

Discussion

No Comment Found

Related MCQs

The deduction of cooling rate from a simple heat balance can only be possible when the process is isothermal and the specific heats of the liquid and the solid are same.
What should be the value of biot number (Bi) for chill mould castings?
The transfer of heat across a gap (an interface between mould and casting) is given by_____
The scale of segregation cannot be reduced or avoided by implementing any kind of method.
Which of the following is independent of the solidification time of the casting?
The solidification time can be increased by increasing the thickness of the mould.
THE_TRANSFER_OF_HEAT_ACROSS_A_GAP_(AN_INTERFACE_BETWEEN_MOULD_AND_CASTING)_IS_GIVEN_BY_____?$
The deduction of cooling rate from a simple heat balance can only be possible when the process is isothermal and the specific heats of the liquid and the solid are same.$
What_should_be_the_value_of_biot_number_(Bi)_for_chill_mould_castings?$
Increase in mould thickness always decreases the rate of solidification of casting material.